package com.atguigu.lease.web.app.service.impl;

import com.atguigu.lease.common.constant.RedisConstant;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import com.atguigu.lease.model.entity.UserInfo;
import com.atguigu.lease.model.enums.BaseStatus;
import com.atguigu.lease.web.app.service.LoginService;
import com.atguigu.lease.web.app.service.UserInfoService;
import com.atguigu.lease.web.app.vo.user.LoginVo;

import com.atguigu.lease.web.app.vo.user.UserInfoVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;


@Service
public class LoginServiceImpl implements LoginService {
    @Autowired
    private RedisTemplate redisTemplate;
    @Autowired
    private UserInfoService userInfoService;
    @Override
    public void getSMSCode(String phone, String verifyCode) {

    }

    @Override
    public void getSMSCode(String phone) {

    }

    @Override
    public String login(LoginVo loginVo) {
        //1.判断手机号码和验证码是否为空
        if(!StringUtils.hasText(loginVo.getPhone())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_PHONE_EMPTY);
        }

        if(!StringUtils.hasText(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_EMPTY);
        }
        //2.校验验证码
        String key = RedisConstant.APP_LOGIN_PREFIX + loginVo.getPhone();
        String code = (String) redisTemplate.opsForValue().get(key);
        if(code == null){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_ERROR);
        }

        if(!code.equals(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_ERROR);
        }

        //3.判断用户是否存在,不存在则注册（创建用户）
        LambdaQueryWrapper<UserInfo> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(UserInfo::getPhone,loginVo.getPhone());
        UserInfo userInfo = userInfoService.getOne(queryWrapper);
        if(userInfo == null){
            userInfo = new UserInfo();
            userInfo.setPhone(loginVo.getPhone());
            userInfo.setStatus(BaseStatus.ENABLE);
            userInfo.setNickname("用户-"+loginVo.getPhone().substring(6));
            userInfoService.save(userInfo);
        }

        //4.判断用户是否被禁
        if(userInfo.getStatus() == BaseStatus.DISABLE){
            throw new LeaseException(ResultCodeEnum.APP_ACCOUNT_DISABLED_ERROR);
        }
        return JwtUtil.createToken(userInfo.getId(),loginVo.getPhone());
    }

    /**
     * 返回用户个人信息
     * @param userId
     * @return
     */

    @Override
    public UserInfoVo getUserInfoById(Long userId) {
        UserInfo userInfo = userInfoService.getById(userId);
        return new UserInfoVo(userInfo.getNickname(),userInfo.getAvatarUrl());
    }
}
